Flight George Bush Intercontinental Airport departs from Houston George Bush Intercontinental Airport at 06:40 and arrives at Baltimore International Thurgood Marshall Airport at 10:49.
The flighttime is about 3h 09m. The distance travelled ("as the bird flies"): 2071 Km. So the average speed is roughly 657 Km.
There is an 1 hour time difference between Houston and Baltimore